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The world's best gem articles, published weekly.

Most Recent Articles

Heart Squared: Online Faceting Designs and Diagrams

Checkered hearts make popular gem cuts. Jeff Graham’s Heart Squared design works well with any medium to light-colored material.

An Incredible Union of Colors: Choosing Opal Engagement Ring Stones

Celebrate your unique love story with an opal engagement ring stone. Though opals require extra care, no other gem combines color and fire the way they do.

Wulfenite Value, Price, and Jewelry Information

Although aesthetically magnificent wulfenite crystals are often too thin, soft, and sensitive to cut for jewelry, rare faceted pieces are greatly prized by collectors. The red of wulfenite, especially from the Red Cloud Mine in Arizona, is one of the richest colors in nature.

Yugawaralite Value, Price, and Jewelry Information

Yugawaralite is a very rare colorless to pinkish zeolite mineral. Little facetable material exists, so a cut yugawaralite would be a prized addition to a gem collection.

Updated Rainbow: Online Faceting Designs and Diagrams

Jeff Graham’s original Rainbow gem design has always been popular. However, inexperienced faceters have found it very challenging. This updated Rainbow should prove easier to facet.

Pyroxmangite Value, Price, and Jewelry Information

Pyroxmangite grains are rare, seldom clean enough to facet, and difficult to cut. However, when cut, they are extremely beautiful and rich in color.

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